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An acutely angled high takeoff left main coronary artery in an aortic root and proximal arch aneurysm  Kyung Hwa Kim, MD, PhD  The Journal of Thoracic.

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Presentation on theme: "An acutely angled high takeoff left main coronary artery in an aortic root and proximal arch aneurysm  Kyung Hwa Kim, MD, PhD  The Journal of Thoracic."— Presentation transcript:

1 An acutely angled high takeoff left main coronary artery in an aortic root and proximal arch aneurysm  Kyung Hwa Kim, MD, PhD  The Journal of Thoracic and Cardiovascular Surgery  Volume 157, Issue 6, Pages e367-e369 (June 2019) DOI: /j.jtcvs Copyright © 2019 The American Association for Thoracic Surgery Terms and Conditions

2 Figure 1 Preoperative radiologic investigations. A, Computed tomographic coronary angiogram shows marked dilatation of the ascending and arch aorta and very high take off of the left main coronary artery (arrow). B, Computed tomographic coronary angiogram showing severe stenosis of the proximal left main coronary artery because of an acute angled course (arrowhead). C, Computed tomographic coronary angiogram showing the ostium of the artery (arrow), approximately 42 mm above the aortic valve. The Journal of Thoracic and Cardiovascular Surgery  , e367-e369DOI: ( /j.jtcvs ) Copyright © 2019 The American Association for Thoracic Surgery Terms and Conditions

3 Figure 2 A, Tangential origination and proximal membrane of the left main coronary artery with an ostium, located 30 mm above the sinotubular junction. B, the acute angulation lesion (arrow head) by probing through the intramural part of the left main coronary artery. C, Schematic diagram of the unroofing procedure for the proximal left main coronary artery. D, Postoperative computed tomographic coronary angiogram showed the normal position of a patent left main coronary artery (arrow). The Journal of Thoracic and Cardiovascular Surgery  , e367-e369DOI: ( /j.jtcvs ) Copyright © 2019 The American Association for Thoracic Surgery Terms and Conditions

4 A high takeoff LMCA with severe stenosis of the proximal LMCA from acutely angled course.
The Journal of Thoracic and Cardiovascular Surgery  , e367-e369DOI: ( /j.jtcvs ) Copyright © 2019 The American Association for Thoracic Surgery Terms and Conditions

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